H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/50 (2006.01) G06T 9/00 (2006.01) H04N 7/26 (2006.01)
Patent
CA 2438200
A scalable motion image compression system for a digital motion image signal having an associated transmission rate. The scalable motion image compression system includes a decomposition module for receiving the digital motion image signal, decomposing the digital motion image signal into component parts and sending the components. The decomposition module may further perform color rotation, spatial decomposition and temporal decomposition. The system further includes a compression module for receiving each of the component parts from the decomposition module, compressing the component part, and sending the compressed component part to a memory location. The compression module may perform sub-band wavelet compression and may further include functionality for quantization and entropy encoding.
L'invention porte sur un système dilatable de compression d'images animées à débit de transmission associé. Ledit système comporte module de décomposition recevant le signal numérique de l'image animée, le décomposant en composantes qu'il transmet; il peut en outre accomplir une rotation de couleurs, une décomposition spatiale et une décomposition temporelle. Le système comporte par ailleurs un module de compression recevant les composantes du module de décomposition, les comprimant et les transférant à un emplacement mémoire. Le module de compression peut effectuer des compression d'ondelettes infrabandes et de plus comporter des fonctions de quantification, ou de codage d'entropie.
Gowling Lafleur Henderson Llp
Quvis Inc.
LandOfFree
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